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Let header-abi-dumper get lookahead token from preprocessor

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header-abi-dumper looks ahead one token to determine whether an
identifier is a template. This commit makes the dumper get token from
preprocessor so as to handle template instantiation in macro.

Test: ./test.py
Bug: 117582158
Change-Id: I0e3f3708ec98eba5353fee619f4cfbdc50570a59
This commit is contained in:
Hsin-Yi Chen
2018-11-20 18:00:13 +08:00
parent fcafbf84ee
commit 14a392a9da
1 changed files with 3 additions and 5 deletions
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8
vndk/tools/header-checker/header-abi-dumper/src/fake_decl_source.cpp
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@@ -14,7 +14,7 @@
#include "fake_decl_source.h"
#include <clang/Lex/Lexer.h>
#include <clang/Lex/Preprocessor.h>
#include <clang/Sema/Lookup.h>
FakeDeclSource::FakeDeclSource(const clang::CompilerInstance &ci) : ci_(ci) {}
@@ -90,10 +90,8 @@ FakeDeclSource::CreateDecl(clang::Sema::LookupNameKind kind,
CreateCXXRecordDecl(name, decl_context);
// If `<` follows the type name, the type must be a template.
// Otherwise, the compiler takes it as a syntax error.
clang::Optional<clang::Token> next_token = clang::Lexer::findNextToken(
name_info.getLoc(), ci_.getASTContext().getSourceManager(),
ci_.getLangOpts());
if (next_token.hasValue() && next_token->is(clang::tok::less)) {
const clang::Token &next_token = ci_.getPreprocessor().LookAhead(0);
if (next_token.is(clang::tok::less)) {
decl = CreateClassTemplateDecl(cxx_record_decl, decl_context);
} else {
decl = cxx_record_decl;